Last seen: Apr 8, 2025
My cylinder, buffer tank and the hot water circulating pump are in a room underneath my bedroom (which has become noticeably warmer). There was audibl...
That happened with my installation. Whoever had been sent to the plumbing suppliers to buy various parts got the wrong type of valve. Once the system ...
I've done a quick analysis of data collected by a pair of Elitech RC5+ temperature loggers for the period 20 - 22 January to look for defrosting cycle...
I very rarely hear my 7kW Arotherm+ but have twice heard it roar at the end of the defrosting cycle when it's blown out a cloud of fog. It's fitted un...
@Ajbevster If the OAT is reading 10C high then it might be possible to offset this by setting the target house temperature as 10C high until the OAT s...
@davidm06 I think 14C is better than 10C as it keeps a bit more heat in the house. I recall, without checking the documentation, that Vaillant defaul...
At a house temperature of 10C there won't be much thermal energy in the circulating water to make defrosting quick and easy. I wonder if the heat pump...
@jamespa: You might want to go easy on the abbreviations when someone is trying to understand how their heat pump works and may end up wondering why a...
@transparent Amazon, for some reason, isn't cooperating with me today and 2 of the 3 links I have posted aren't working properly. Search Amazon for "E...
@Alfapat: The inverter should provide the capability to ramp up the compressor speed but I notice that there is almost a factor of two difference betw...
@Richard24738 Thanks for the clarification. I await your conclusion.
Your system is worse than normal for something that has been very badly configured! My first thought is that you should turn up the radiator temperatu...
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RE: Electricity price predictions
Does anyone have a current graphic, visual or breakdown...
By Mars , 1 hour ago
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Mitsubishi Ecodan Auto Adaption trial to stop cycling.
We have a 11.2 kWh over sized heat pump, ufh downstairs...
By @sand , 2 hours ago
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RE: Advice on internal circulation pump noise
I used to (and still do to some extent) have "water fl...
By MikeFl , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
The Next export tarrif was fixed for 12 months so until...
By JamesPa , 6 hours ago
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Agree with @majordennisbloodnok on the setbacks. We hav...
By ChandyKris , 16 hours ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
A quick Google search showed that building regulations ...
By GrahamF , 17 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge I first heard (read) about it on FB this m...
By AndrewJ , 17 hours ago
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RE: New Fogstar 15.5kWh upright solution
It is a matter of luck. 2ith Fogstar "instructions", to...
By Batpred , 17 hours ago
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RE: Speedcomfort radiator fans
@deltona the way the links were added broke the page. A...
By Mars , 17 hours ago
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RE: Setback savings - fact or fiction?
I agree! Even more so if we get an answer! But the chal...
By cathodeRay , 19 hours ago
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RE: Refrigerant R32, is it now banned in the EU from 1st Jan 2027 for monobloc ASHPs?
This has been delayed from what I believe to be this ye...
By dgclimatecontrol , 22 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
this is why I provided current flow temperatures in the...
By ksim , 23 hours ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
There's many homes that would be quite a disruption for...
By dgclimatecontrol , 23 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
@rhh2348 ...maybe this option is what you want? Alter...
By benson , 23 hours ago
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RE: Free Ecoheat Heat Pump Install
@old_scientist This does make the unit smaller as the b...
By dgclimatecontrol , 23 hours ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
@old_scientist hiya mate, did you ever get to the botto...
By 9jwr9 , 1 day ago
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RE: Configuring third party dongle for Ecodan local control
@majordennisbloodnok I think the HPDHD diagnosis may be...
By Sheriff Fatman , 2 days ago
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RE: External pipework insulation
I don't think we can tell from a photo whether your exi...
By Transparent , 2 days ago

